Datasheet

AD8646/AD8647/AD8648
Rev. D | Page 2 of 20
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
Pin Configurations ........................................................................... 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Specifications ..................................................................................... 3 
Absolute Maximum Ratings ............................................................ 6
Thermal Resistance ...................................................................... 6
ESD Caution...................................................................................6
Typical Performance Characteristics ..............................................7
Theory of Operation ...................................................................... 15
Power-Down Operation ............................................................ 15
Multiplexing Operation ............................................................. 15
Outline Dimensions ....................................................................... 16
Ordering Guide .......................................................................... 18
REVISION HISTORY
4/10—Rev. C to Rev. D
Changes to Features Section and General Description Section . 1
Updated Outline Dimensions ....................................................... 16
Changes to Ordering Guide Section ............................................ 18
Revision History: AD8646/AD8647/AD8648
2/09—Rev. B to Rev. C
Change to Supply Current Shutdown Mode (AD8647 Only)
Parameter, Table 1 ............................................................................. 3
Change to Supply Current Shutdown Mode (AD8647 Only)
Parameter, Table 2 ............................................................................. 5
Added Figure 50; Renumbered Sequentially .............................. 15
Updated Outline Dimensions ....................................................... 16
Changes to Ordering Guide .......................................................... 18
10/07—Revision B: Initial Combined Version
Revision History: AD8646
10/07—Rev. 0 to Rev. B
Combined with AD8648 .................................................... Universal
Added AD8647 ................................................................... Universal
Deleted Figure 4 and Figure 7 ......................................................... 7
Deleted Figure 33 ............................................................................ 11
8/07—Revision 0: Initial Version
Revision History: AD8648
10/07—Rev. A to Rev. B
Combined with AD8646 ................................................... Universal
Added AD8647 ................................................................... Universal
Deleted Figure 7 ................................................................................. 6
Deleted Figure 11 ............................................................................... 7
Deleted Figure 16 and Figure 17 ..................................................... 8
Deleted Figure 24 ............................................................................... 9
Deleted Figure 27, Figure 28, Figure 31, and Figure 32 ............ 10
6/07—Rev. 0 to Rev. A
Changes to General Description ..................................................... 1
Updated Outline Dimensions ....................................................... 12
Changes to Ordering Guide .......................................................... 12
1/06—Revision 0: Initial Version